Home / 839,491.42-1,158,539.22-472,084.18

Finding the Fourth Proportional to 839,491.42, 1,158,539.22 and 472,084.18

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Solution

The fourth proportional to 839,491.42, 1,158,539.22 and 472,084.18 is: 651,499.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,491.42 : 1,158,539.22 = 472,084.18 : x
  2. Step 2: Convert to fraction form
    839,491.42/1,158,539.22 = 472,084.18/x
  3. Step 3: Cross multiply
    839,491.42x = 1,158,539.22 × 472,084.18
  4. Step 4: Simplify right side
    839,491.42x = 546,928,037,671.54
  5. Step 5: Solve for x
    x = 546,928,037,671.54/839,491.42
  6. Step 6: Final answer
    x = 651,499.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.